Re: NSArrayController <> Shared User Defaults - more detailed

FROM : Dominik Pich
DATE : Tue Jan 01 22:45:53 2008

Works yay!
I dont know why I didn't find this.. it's exactly my issue.

Thanks a ton :)
Dominik

On Jan 1, 2008, at 8:35 PM, Matt Neuburg wrote:

> On Tue, 1 Jan 2008 13:25:45 +0100, Dominik Pich <<email_removed>> 
> said:

>> Hi,
>> as the title states I have a Problem with binding my ArrayController
>> to the Shared User Defaults...
>>
>> I have for example this array:
>> <items>
>> <dict>
>> <key>name</key>
>> <string>bla1</string>
>> <key>enabled</key>
>> <true/>
>> </dict>
>> <dict>
>> <key>name</key>
>> <string>bla22222</string>
>> <key>enabled</key>
>> <true/>
>> </dict>
>> <dict>
>> <key>name</key>
>> <string>bla33</string>
>> <key>enabled</key>
>> <true/>
>> </dict>
>> </items>
>>
>> --- Here's what I do:
>> -the above array I read from plist
>> - I use it as initial value for the NSUserDefault as a key: "items"
>>
>> - I then bind an NSArrayController to the shared defaults controller
>> using contentArray=values.items as the binding.
>> -To that Controller I bind the columns of a tableView.
>> using value=arrangedObjects.name as the Binding for the 1. Column
>> using value=arrangedObjects.enabled as the Binding for the 2. Column
>> (using a PopupButtonCell)
>>
>> --- all working great so far ^^
>> -> I can SEE the array I bound to just fine
>>
>> ---But now comes the Problem:
>> -> I want to be able to modify my array ... I dont want to add or
>> remove objects BUT modify individual items' values. Especially I want
>> to toggle their enabled states.
>>
>> The changes I make in my tableView though (via the popupButtons) are
>> not 'reqistered' by the defaults. I never get a notification 
>> something
>> changed, nor does the defaults save the modified array.
>>
>> Why is that? It seems to me that the new array is somehow considered
>> to be identical to the old?

>
> This might be all you need:
>
> http://www.cocoabuilder.com/archive/message/cocoa/2006/4/22/161662
>
> m.
>
> --
> matt neuburg, phd = <email_removed>, <http://www.tidbits.com/matt/>
> A fool + a tool + an autorelease pool = cool!
> One of the 2007 MacTech Top 25: <http://tinyurl.com/2rh4pf>
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> <http://www.amazon.com/gp/product/0596102119>
>
>
>
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